it was for self-defense. because he's not able to control a 12-gauge shotgun. she would have been better able to engage both of those threats with an ar-15. >> okay, i want to bring in our senior legal analyst, jeffrey toobin. jeff is on the other side of the aisle. jeff, the second amendment, which is obviously part of our constitution, has it always been interpreted in the same way? >> no. these are 18th century words that have had very different meanings over time. until 2008, there was no individual right under the second amendment to have a gun. but the supreme court changed in 2008, and in the famous heller decision, the supreme court said yes under the second amendment, you do have a right to keep a handgun in your home. but what other kinds of rights do you have to have other guns is now frankly pretty mysterious. the supreme court said, dangerous and unusual weapons can be regulated. can even be prohibited. are assault weapons dangerous and unusual weapons? we don't know the answer to that at this point. you have some right to a handgun, or to some kin